Finding the Third Proportional to 664,938 and 1,377,174

Step by Step Solution

1. Step 1: Write the proportion equation
   664,938 : 1,377,174 = 1,377,174 : x
2. Step 2: Convert to fraction form
   664,938/1,377,174 = 1,377,174/x
3. Step 3: Cross multiply
   664,938x = 1,377,174 × 1,377,174
4. Step 4: Simplify right side
   664,938x = 1,896,608,226,276
5. Step 5: Solve for x
   x = 1,896,608,226,276/664,938
6. Step 6: Final answer
   x = 2,852,308.38